.abs or .bin.once the "Downloading" progress appears on your TV screen.
Ensure the filename is exactly what the loader expects; sometimes Windows hides file extensions, causing you to accidentally name a file filename.hdf.hdf . humax f1 mini software update
To stay informed, enable in Settings > System > Developer Options (tap Build Number 7 times to unlock Developer Options). This way, the Humax F1 Mini software update will download and install while you sleep. Humax F1 Mini Software Update: The Complete Guide